Celestion NTR Range NTR10-2520E Spécifications
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NTR10-2520E
• 10" neodymium mid/bass unit offers 250Wrms (AES) continuous
power handling and 96dB sensitivity
• 2.5" high temperature Inside/Outside voice coil efficiently
dissipates heat, preventing sensitivity loss through
thermal compression
• M-roll surround provides progressive excursion control,
yielding a smooth response even at extremes of
frequency range
• Extremely lightweight design combined with a highly
efficient magnet assembly results in exceptional
power-to-weight ratio
• Intelligent heat management in both chassis and
magnet assembly design further minimises distortion
Frequency Response and Impedance Curves
110
90
70
Celestion International Ltd, Claydon Business Park, Great Blakenham, Ipswich IP6 ONL, UK
+44 (0)1473 835300 [email protected] www.celestionprofessional.com
Celestion adopts a progressive policy and reserve the right to alter drive unit specifications and/or appearance without prior notice 08/05
70
50
30
Measured - 1W @ 1m, 2π
General Specifications
Nominal diameter (mm/in) .......................................254/10
Power Rating (AES, W rms) ..........................................250
Nominal impedance ( Ω ) ...................................................8
Voice coil diameter (mm/in) ...................................63.5/2.5
Magnet type.....................................................Neodymium
Chassis type ...............................................Cast aluminium
Sensitivity (dB) ...............................................................96
Frequency range (Hz) ............................................50-3000
Coil material............................................................Copper
Cone material.......................................Kevlar loaded paper
Surround material............................................Cloth-sealed
Suspension...............................................................Single
Xmax (mm/in) .......................................................5.0/0.20
Gap depth (mm/in)................................................8.0/0.32
Voice coil winding width (mm/in)..........................17.5/0.69
Small Signal Parameters
D (m/in)..............................................................0.21/5.33
F
(Hz) ........................................................................52.4
s
M
(g/oz)......................................................42.788/1.51
md
M
(g/oz)...........................................................3.64/0.12
air
Q
..........................................................................3.008
ms
Q
...........................................................................0.334
es
Q
...........................................................................0.301
ts
R
( Ω ) ........................................................................5.63
e
V
(lt/ft
) ........................................................33.78/1.192
3
as
BI (Tm) .....................................................................16.05
C
(mm/N) ..............................................................0.199
ms
R
(kg/s) .................................................................5.078
ms
L
(mH).......................................................................0.71
e
Mounting Information
Overall diameter (mm/in) ....................................260/10.24
Overall depth (mm/in)...........................................113/4.45
Cut-out diameter (mm/in) .....................................232/9.13
Mounting slot dimensions (mm/in) ..........6.5/0.26 x 7.5/0.3
Number of mounting slots ................................................4
Mounting slot PCD range (mm/in) .............244-247/9.6-9.7
Unit weight (kg/lb).................................................2.2/4.89
Packed Dimensions & Weight
Multipack (96) size W x D x H (mm/in) .......1500x1000x980
................................................................/59.1x39.4x38.8
Multipack (96) weight (kg/lb) .................................240/528
Unit conditioned prior to measurement.
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